134363521 has 8 divisors (see below), whose sum is σ = 135362304. Its totient is φ = 133368720.

The previous prime is 134363503. The next prime is 134363531. The reversal of 134363521 is 125363431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134363521 - 2¹¹ = 134361473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134363521.

It is not an unprimeable number, because it can be changed into a prime (134363501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102150 + ... + 103456.

It is an arithmetic number, because the mean of its divisors is an integer number (16920288).

Almost surely, 2^134363521 is an apocalyptic number.

It is an amenable number.

134363521 is a deficient number, since it is larger than the sum of its proper divisors (998783).

134363521 is a wasteful number, since it uses less digits than its factorization.

134363521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991.

The product of its digits is 6480, while the sum is 28.

The square root of 134363521 is about 11591.5279838337. The cubic root of 134363521 is about 512.1853183021.

The spelling of 134363521 in words is "one hundred thirty-four million, three hundred sixty-three thousand, five hundred twenty-one".